package com.li.shirospringboot.controller;

import com.li.shirospringboot.config.UserRealm;
import com.li.shirospringboot.service.UserService;
import com.sun.org.apache.bcel.internal.generic.ARETURN;
import org.apache.shiro.SecurityUtils;
import org.apache.shiro.authc.IncorrectCredentialsException;
import org.apache.shiro.authc.UnknownAccountException;
import org.apache.shiro.authc.UsernamePasswordToken;
import org.apache.shiro.subject.Subject;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.stereotype.Controller;
import org.springframework.stereotype.Repository;
import org.springframework.ui.Model;
import org.springframework.web.bind.annotation.RequestMapping;
import org.springframework.web.bind.annotation.ResponseBody;

import javax.jws.WebParam;
import java.security.SecureRandom;

@Controller
public class MyController {



    @RequestMapping({"/","/index"})
    public String toIndex(Model model){
        model.addAttribute("msg","hello shiro!");
        return "index";
    }
    @RequestMapping("/user/add")
    public String add(){
        return "user/add";
    }
    @RequestMapping("/user/update")
    public String update(){
        return "user/update";
    }


    @RequestMapping("/toLogin")
    public String toLogin(){
        return "login";

    }
    @RequestMapping("/login")
    public String login(String username,String password,Model model){
        //获取当前用户
        Subject subject= SecurityUtils.getSubject();
        //封装用户的登录数据
        UsernamePasswordToken token=new UsernamePasswordToken(username,password);
        try{
            subject.login(token);   //执行登陆方法
            return "index";
        } catch(UnknownAccountException e){//用户名不存在
            model.addAttribute("msg","用户名错误");
            return "login";
        }catch (IncorrectCredentialsException e){//密码不存在
            model.addAttribute("msg","密码错误");
            return "login";
        }
    }

    @RequestMapping("/noauth")
    @ResponseBody
    public String unauthorized(){
        return "未经授权，无法访问";
    }

}
